When was the roman empire in existence? a. 270 bce to 47 ce b. 27 ce to 476 bce c. 27 bce to 476 ce

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

Why is it useful for historians to base certain studies on the analysis of historical themes

During world war if an artist published an editorial cartoon criticizing the american entry into the war that artists was guilty of